Flow price: --
b59864a68f8e6396cdcf671e659834c70ab7f630d2f5e388b8eaf4a6bf6fa8fd

Transaction

Hash: b59864a68f8e6396cdcf671e659834c70ab7f630d2f5e388b8eaf4a6bf6fa8fd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b59864a68f8e6396cdcf671e659834c70ab7f630d2f5e388b8eaf4a6bf6fa8fd:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b59864a68f8e6396cdcf671e659834c70ab7f630d2f5e388b8eaf4a6bf6fa8fd
Status:
ERROR
Block height:
39731125
Block id:
564f86e258718f2397f0da915a123bb6dcb030c923c5729a9e0b5f1b32ba841d
Timestamp:
Wednesday 26 October 2022 at 05:50:39 UTC
()
Proposer:
Authorizers:
Gas used:
49